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Finding the Fourth Proportional to 9,695.23, 14,515.45 and 7,905.68

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Solution

The fourth proportional to 9,695.23, 14,515.45 and 7,905.68 is: 11,836.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,695.23 : 14,515.45 = 7,905.68 : x
  2. Step 2: Convert to fraction form
    9,695.23/14,515.45 = 7,905.68/x
  3. Step 3: Cross multiply
    9,695.23x = 14,515.45 × 7,905.68
  4. Step 4: Simplify right side
    9,695.23x = 114,754,502.76
  5. Step 5: Solve for x
    x = 114,754,502.76/9,695.23
  6. Step 6: Final answer
    x = 11,836.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.